TY  - BOOK
AU  - Laak, Rein
TI  - Wastewater engineering design for unsewered areas
SN  - 0-250-40373-0
U1  - 628.2 
PY  - 1980///
CY  - Michigan
PB  - Ann Arbor Science
KW  - Waste water engineering
KW  - Waste water treatment
KW  - Waste water-Technology
N1  - Includes index
ER  -